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New for 2024, the 12 speed T Line Brompton has a 402% gear range while keeping the weight of the bike near or below the 20lb mark. Brompton has maintained the classic fold that takes you quickly between modes of transportation, and reengineered many of the components from the ground up. The end result is a no compromises city bike ready to tackle hills.
The T Line Explore's lightweight frame weighs 37% less than steel equivalents, improving the gearing elements and on-road positioning.
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The lowest Brompton gear ever. ​The highest Brompton gear ever.​ Lots of small steps between, making this an even more comfortable ride for touring, exploring, and commuting.
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WeightFrom 17.64 lb |
Speed12 Speed (Explore) |
MaterialTitanium |
Folded Size25.4' H' x 23.6'' W x 12.6'' D |
Main FrameGrade 9 titanium tubes, welded main frame with cast titanium bottom bracket manifold |
Rear FrameAdvance Superlight rear frame with replaceable hanger, suspension block and 54mm roller wheels |
ForkOne piece carbon fork and steerer with magnetic pedal holder |
GripsSuperlight lock-on foam grips |
SeatpostSuperlight seatpost |
SaddleSuperlight Carbon |
SeatclampMachined aluminium seat clamp and rear frame clip in anodized matt black finish |
Hinge ClampsMachined aluminium self-aligning hinge clamp levers and plates anodized matt black finish |
PedalsSuperlight cnc aluminium pedal set with left hand QR pedal |
DrivetrainBrompton 12 speed drivetrain, 402% range |
Number of gears12 Speed - Explore |
ChainsetSuperlight carbon crankset with hollow BB30 axle, integrated spider, 50T chainring and chainguard |
Bottom BracketFSA Mega Evo Bottom Bracket |
HeadsetGrade 9 titanium diameter tubes with integrated headset and spring loaded steerer catch hinge |
ShiftersBrompton 4 speed derailleur shifter & 3 speed hub gear shifter |
Sprockets11-13-15-18 Tooth |
DerailleurPatent-pending direct mount 12 speed derailleur |
Rear WheelLightweight rim, double butted spokes, aluminium hub body and 4 speed freehub body |
Front WheelLightweight rim, double butted spokes and aluminium hub with sealed bearings and allen key axle |
TiresSchwalbe ONE Black with Addix race compound and v-guard puncture protection |
TubesTubolito S-tubo 34g tube with presta valves |
FendersIncluded |
LightingReflectors |
Roller FrameNot included |
BrakesDual Pivot Calipers |
Front CarrierLarge diameter front carrier block adaptor for all types of Brompton luggage |
On Bike AccessoriesNot included |
Disclaimer*Specifications are subject to change without notice |
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